#21583E
Closest named color: Pine (#2B5D34). oklch(41.6% 0.073 160.1), rgb(33, 88, 62).
Aa
White text reads best on this color (8.30:1).
About this color
#21583E is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.073 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.027 away. White text reads best on it, at 8.30:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.53:1 |
| White text | 8.30:1 |
Values
| HEX | #21583E |
| RGB | rgb(33, 88, 62) |
| HSL | hsl(152, 45%, 24%) |
| OKLCH | oklch(41.6% 0.073 160.1) |
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 #21583E | 8.30:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #21583E | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #21583E text on white | 8.30:1 | AAA | Lc 88.4 | Fine for body text |
| #21583E text on black | 2.53:1 | Fails | Lc -13.7 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#AACAB7
oklch(81% 0.043 159.2)
-
Step 400
400
#7BAE92
oklch(70.7% 0.068 160)
-
Step 500
500
#569A77
oklch(63.1% 0.088 160)
-
Step 600
600
#388460
oklch(55.5% 0.095 160.3)
-
Step 700
700
#2A704F
oklch(49.1% 0.089 159.9)
-
Step 800
800 (this color)
#21583E
oklch(41.6% 0.073 160.1)
-
Step 900
900
#234B37
oklch(37.7% 0.057 160.1)
-
Step 950
950
#162C20
oklch(27% 0.036 158.9)
#21583E 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) | #57513C | 0.070 |
| Deuteranopia (no green cones) | #4F4C40 | 0.067 |
| Tritanopia (no blue cones) | #0A5851 | 0.031 |
| Achromatopsia (no color) | #4E4E4E | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21583E
#21583E
oklch(41.6% 0.073 160.1)
- #663B58
#663B58
oklch(41.5% 0.073 340.2)
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 #21583E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.027
- Spruce #0A5F38 ΔE 0.029
- Dark Blue Green #005249 ΔE 0.036
- Dark Green Blue #1F6357 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.050
- Deep Teal #00555A ΔE 0.051
- Navy Green #35530A ΔE 0.055
- Dark Teal #014D4E ΔE 0.056
Use #21583E 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.