#21875F
Closest named color: Sea Green (#2E8B57). oklch(55.6% 0.111 162), rgb(33, 135, 95).
Aa
Black text reads best on this color (4.69:1).
About this color
#21875F is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.111 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.020 away. Black text reads best on it, at 4.69:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #21875F |
| RGB | rgb(33, 135, 95) |
| HSL | hsl(156, 61%, 33%) |
| OKLCH | oklch(55.6% 0.111 162) |
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 #21875F | 4.47:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #21875F | 4.69:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #21875F text on white | 4.47:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #21875F text on black | 4.69:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CADFD4
oklch(88.5% 0.027 163.1)
-
Step 300
300
#A5CBB7
oklch(80.9% 0.049 162.1)
-
Step 400
400
#72B091
oklch(70.6% 0.079 161.7)
-
Step 500
500
#479D76
oklch(63.2% 0.103 161.7)
-
Step 600
600 (this color)
#21875F
oklch(55.6% 0.111 162)
-
Step 700
700
#10724E
oklch(49% 0.103 161.9)
-
Step 800
800
#135D40
oklch(42.7% 0.085 161.9)
-
Step 900
900
#1A4C37
oklch(37.6% 0.065 162.7)
-
Step 950
950
#112D20
oklch(27.1% 0.042 161.5)
#21875F 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) | #857D5D | 0.106 |
| Deuteranopia (no green cones) | #787362 | 0.104 |
| Tritanopia (no blue cones) | #00877C | 0.043 |
| Achromatopsia (no color) | #777777 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21875F
#21875F
oklch(55.6% 0.111 162)
- #9F5785
#9F5785
oklch(55.6% 0.111 342.4)
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 #21875F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.020
- Viridian #1E9167 ΔE 0.030
- Jungle Green #048243 ΔE 0.041
- Dark Sage #598556 ΔE 0.044
- Light Forest Green #4F9153 ΔE 0.052
- Fern Green #548D44 ΔE 0.056
- Ocean Green #3D9973 ΔE 0.061
- Teal #008080 ΔE 0.061
Use #21875F 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.