#21945A
Closest named color: Viridian (#1E9167). oklch(59.1% 0.133 155.6), rgb(33, 148, 90).
Aa
Black text reads best on this color (5.44:1).
About this color
#21945A is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.133 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.023 away. Black text reads best on it, at 5.44:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #21945A |
| RGB | rgb(33, 148, 90) |
| HSL | hsl(150, 64%, 35%) |
| OKLCH | oklch(59.1% 0.133 155.6) |
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 #21945A | 3.85:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #21945A | 5.44:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #21945A text on white | 3.85:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #21945A text on black | 5.44:1 | AA | Lc -36.1 | 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 600.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EDE5
oklch(93.5% 0.017 156.9)
-
Step 200
200
#C9E0D0
oklch(88.5% 0.033 155.3)
-
Step 300
300
#A2CDB0
oklch(80.9% 0.061 155.3)
-
Step 400
400
#6DB387
oklch(70.8% 0.096 155.5)
-
Step 500
500
#3F9F69
oklch(63.1% 0.122 155.6)
-
Step 600
600 (this color)
#21945A
oklch(59.1% 0.133 155.6)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#045F36
oklch(42.7% 0.102 155.8)
-
Step 900
900
#144E2F
oklch(37.8% 0.08 155.6)
-
Step 950
950
#0E2E1C
oklch(27.1% 0.051 156)
#21945A 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) | #938856 | 0.118 |
| Deuteranopia (no green cones) | #867E5E | 0.117 |
| Tritanopia (no blue cones) | #009285 | 0.064 |
| Achromatopsia (no color) | #828282 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21945A
#21945A
oklch(59.1% 0.133 155.6)
- #AD5C9C
#AD5C9C
oklch(59.1% 0.133 335.5)
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 #21945A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.023
- Sea Green #2E8B57 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.030
- Fern Green #548D44 ΔE 0.039
- Ocean Green #3D9973 ΔE 0.041
- Kelley Green #009337 ΔE 0.044
- Dark Sage #598556 ΔE 0.056
- Irish Green #019529 ΔE 0.057
Use #21945A 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.