#21974B
Closest named color: Kelley Green (#009337). oklch(59.6% 0.151 150.1), rgb(33, 151, 75).
Aa
Black text reads best on this color (5.59:1).
About this color
#21974B is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.151 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.026 away. Black text reads best on it, at 5.59:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #21974B |
| RGB | rgb(33, 151, 75) |
| HSL | hsl(141, 64%, 36%) |
| OKLCH | oklch(59.6% 0.151 150.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #21974B | 3.75:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #21974B | 5.59:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #21974B text on white | 3.75:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #21974B text on black | 5.59:1 | AA | Lc -37.0 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C7E1CB
oklch(88.5% 0.041 149.8)
-
Step 300
300
#9FCFA8
oklch(81% 0.074 150.1)
-
Step 400
400
#66B579
oklch(70.6% 0.118 150.2)
-
Step 500
500 (this color)
#21974B
oklch(59.6% 0.151 150.1)
-
Step 600
600
#008B3F
oklch(55.7% 0.153 150.2)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#006029
oklch(42.7% 0.118 150)
-
Step 900
900
#084F23
oklch(37.6% 0.098 150.1)
-
Step 950
950
#0A2F15
oklch(27.1% 0.063 149.8)
#21974B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #988945 | 0.125 |
| Deuteranopia (no green cones) | #8A8051 | 0.123 |
| Tritanopia (no blue cones) | #009485 | 0.084 |
| Achromatopsia (no color) | #848484 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21974B
#21974B
oklch(59.6% 0.151 150.1)
- #B059A9
#B059A9
oklch(59.6% 0.151 330.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21974B, closest first.
No curated palette has a color within ΔE 0.04 of #21974B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.026
- Irish Green #019529 ΔE 0.036
- Light Forest Green #4F9153 ΔE 0.038
- Fern Green #548D44 ΔE 0.041
- Sea Green #2E8B57 ΔE 0.044
- Viridian #1E9167 ΔE 0.046
- Forest Green #228B22 ΔE 0.047
- Emerald Green #028F1E ΔE 0.047
Use #21974B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.