#21552C
Closest named color: Pine (#2B5D34). oklch(40.3% 0.088 148.2), rgb(33, 85, 44).
Aa
White text reads best on this color (8.74:1).
About this color
#21552C is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.029 away. White text reads best on it, at 8.74:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #21552C |
| RGB | rgb(33, 85, 44) |
| HSL | hsl(133, 44%, 23%) |
| OKLCH | oklch(40.3% 0.088 148.2) |
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 #21552C | 8.74:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #21552C | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #21552C text on white | 8.74:1 | AAA | Lc 89.7 | Fine for body text |
| #21552C text on black | 2.40:1 | Fails | Lc -12.5 | Not readable |
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 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#ABCAAE
oklch(80.8% 0.051 147.8)
-
Step 400
400
#7DAF84
oklch(70.7% 0.082 148.3)
-
Step 500
500
#5A9B65
oklch(63.1% 0.105 148.3)
-
Step 600
600
#3E854C
oklch(55.6% 0.113 148.2)
-
Step 700
700
#2F713D
oklch(49.2% 0.106 148.3)
-
Step 800
800 (this color)
#21552C
oklch(40.3% 0.088 148.2)
-
Step 900
900
#264B2C
oklch(37.6% 0.068 147.8)
-
Step 950
950
#172C1A
oklch(26.9% 0.043 147.7)
#21552C 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) | #564E29 | 0.071 |
| Deuteranopia (no green cones) | #4F492F | 0.070 |
| Tritanopia (no blue cones) | #15534B | 0.051 |
| Achromatopsia (no color) | #4B4B4B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21552C
#21552C
oklch(40.3% 0.088 148.2)
- #613660
#613660
oklch(40.3% 0.087 327.9)
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 #21552C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.029
- Spruce #0A5F38 ΔE 0.031
- Navy Green #35530A ΔE 0.033
- Forest #0B5509 ΔE 0.041
- Deep Green #02590F ΔE 0.042
- Pine Green #0A481E ΔE 0.050
- Dark Blue Green #005249 ΔE 0.050
- Evergreen #05472A ΔE 0.053
Use #21552C 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.