#21825C
Closest named color: Sea Green (#2E8B57). oklch(54.2% 0.107 162.2), rgb(33, 130, 92).
Aa
White text reads best on this color (4.75:1).
About this color
#21825C is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.107 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 0.033 away. White text reads best on it, at 4.75:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #21825C |
| RGB | rgb(33, 130, 92) |
| HSL | hsl(156, 60%, 32%) |
| OKLCH | oklch(54.2% 0.107 162.2) |
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 #21825C | 4.75:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #21825C | 4.41:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #21825C text on white | 4.75:1 | AA | Lc 72.7 | Content text, not long reading |
| #21825C text on black | 4.41:1 | AA large text | Lc -29.0 | Dividers and decoration only |
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
#A6CBB7
oklch(81% 0.048 161.5)
-
Step 400
400
#74B092
oklch(70.7% 0.077 161.9)
-
Step 500
500
#4B9C77
oklch(63.1% 0.098 161.9)
-
Step 600
600 (this color)
#21825C
oklch(54.2% 0.107 162.2)
-
Step 700
700
#17724F
oklch(49.2% 0.1 161.9)
-
Step 800
800
#185D41
oklch(42.8% 0.082 161.9)
-
Step 900
900
#1C4C37
oklch(37.7% 0.064 162)
-
Step 950
950
#122D20
oklch(27.1% 0.041 160.9)
#21825C 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) | #80785A | 0.103 |
| Deuteranopia (no green cones) | #746F5E | 0.100 |
| Tritanopia (no blue cones) | #008278 | 0.042 |
| Achromatopsia (no color) | #737373 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21825C
#21825C
oklch(54.2% 0.107 162.2)
- #995480
#995480
oklch(54.1% 0.107 342.4)
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 #21825C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.033
- Jungle Green #048243 ΔE 0.038
- Viridian #1E9167 ΔE 0.045
- Dark Sage #598556 ΔE 0.049
- Teal #008080 ΔE 0.057
- Bluegreen #017A79 ΔE 0.058
- Light Forest Green #4F9153 ΔE 0.064
- Fern Green #548D44 ΔE 0.065
Use #21825C 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.