#21835A
Closest named color: Sea Green (#2E8B57). oklch(54.4% 0.11 160.6), rgb(33, 131, 90).
Aa
White text reads best on this color (4.70:1).
About this color
#21835A is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.110 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.029 away. White text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.45:1 |
| White text | 4.70:1 |
Values
| HEX | #21835A |
| RGB | rgb(33, 131, 90) |
| HSL | hsl(155, 60%, 32%) |
| OKLCH | oklch(54.4% 0.11 160.6) |
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 #21835A | 4.70:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #21835A | 4.45:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #21835A text on white | 4.70:1 | AA | Lc 72.3 | Content text, not long reading |
| #21835A text on black | 4.45:1 | AA large text | Lc -29.4 | 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
#CADFD3
oklch(88.5% 0.028 160.8)
-
Step 300
300
#A6CBB6
oklch(80.9% 0.049 160.2)
-
Step 400
400
#73B090
oklch(70.6% 0.079 160.6)
-
Step 500
500
#4A9C75
oklch(63% 0.101 160.8)
-
Step 600
600 (this color)
#21835A
oklch(54.4% 0.11 160.6)
-
Step 700
700
#16724D
oklch(49.1% 0.102 160.7)
-
Step 800
800
#175D3F
oklch(42.7% 0.085 160.5)
-
Step 900
900
#1C4C36
oklch(37.7% 0.065 160.9)
-
Step 950
950
#122D20
oklch(27.1% 0.041 160.9)
#21835A 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) | #817958 | 0.104 |
| Deuteranopia (no green cones) | #75705D | 0.101 |
| Tritanopia (no blue cones) | #008378 | 0.045 |
| Achromatopsia (no color) | #737373 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21835A
#21835A
oklch(54.4% 0.11 160.6)
- #9A5483
#9A5483
oklch(54.4% 0.111 340.8)
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 #21835A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.029
- Jungle Green #048243 ΔE 0.034
- Viridian #1E9167 ΔE 0.042
- Dark Sage #598556 ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.061
- Fern Green #548D44 ΔE 0.061
- Teal #008080 ΔE 0.062
- Bluegreen #017A79 ΔE 0.063
Use #21835A 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.