#21724C
Closest named color: Dark Olive Green (#556B2F). oklch(49.3% 0.099 158.7), rgb(33, 114, 76).
Aa
White text reads best on this color (5.87:1).
About this color
#21724C is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.099 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.054 away. White text reads best on it, at 5.87:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #21724C |
| RGB | rgb(33, 114, 76) |
| HSL | hsl(152, 55%, 29%) |
| OKLCH | oklch(49.3% 0.099 158.7) |
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 #21724C | 5.87:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #21724C | 3.57:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #21724C text on white | 5.87:1 | AA | Lc 79.1 | Fine for body text |
| #21724C text on black | 3.57:1 | AA large text | Lc -22.7 | 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 700.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CBDFD3
oklch(88.5% 0.027 159.5)
-
Step 300
300
#A7CBB5
oklch(81% 0.049 158.3)
-
Step 400
400
#77B08F
oklch(70.8% 0.077 158.3)
-
Step 500
500
#509B73
oklch(63% 0.097 158.6)
-
Step 600
600
#2F865C
oklch(55.6% 0.106 158.8)
-
Step 700
700 (this color)
#21724C
oklch(49.3% 0.099 158.7)
-
Step 800
800
#1E5C3E
oklch(42.6% 0.081 158.8)
-
Step 900
900
#1F4C35
oklch(37.8% 0.064 158.8)
-
Step 950
950
#132C1F
oklch(26.8% 0.04 159.4)
#21724C 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) | #71694A | 0.092 |
| Deuteranopia (no green cones) | #66624E | 0.088 |
| Tritanopia (no blue cones) | #007168 | 0.044 |
| Achromatopsia (no color) | #656565 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21724C
#21724C
oklch(49.3% 0.099 158.7)
- #854A74
#854A74
oklch(49.4% 0.098 338.7)
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 #21724C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.054
- Jungle Green #048243 ΔE 0.056
- Dark Aquamarine #017371 ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.057
- Camo Green #526525 ΔE 0.060
- Deep Turquoise #017374 ΔE 0.061
- Dark Moss Green #606C38 ΔE 0.064
- Spruce #0A5F38 ΔE 0.065
Use #21724C 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.