#15531D
Closest named color: Forest (#0B5509). oklch(39% 0.106 145.2), rgb(21, 83, 29).
Aa
White text reads best on this color (9.18:1).
About this color
#15531D is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.106 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.021 away. White text reads best on it, at 9.18:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #15531D |
| RGB | rgb(21, 83, 29) |
| HSL | hsl(128, 60%, 20%) |
| OKLCH | oklch(39% 0.106 145.2) |
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 #15531D | 9.18:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #15531D | 2.28:1 | Fails | Lc 13.2 | Not readable |
| #15531D text on white | 9.18:1 | AAA | Lc 90.8 | Preferred for body text |
| #15531D text on black | 2.28:1 | Fails | Lc -11.5 | 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 900.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C8E1C8
oklch(88.4% 0.043 145.2)
-
Step 300
300
#A1CFA2
oklch(81% 0.079 145.3)
-
Step 400
400
#6AB56E
oklch(70.6% 0.126 145.2)
-
Step 500
500
#3AA246
oklch(63.1% 0.162 145.3)
-
Step 600
600
#008C25
oklch(55.6% 0.174 145.1)
-
Step 700
700
#00761E
oklch(49.2% 0.154 145.2)
-
Step 800
800
#006117
oklch(42.8% 0.134 145.2)
-
Step 900
900 (this color)
#15531D
oklch(39% 0.106 145.2)
-
Step 950
950
#0D2F10
oklch(27.1% 0.067 145)
#15531D 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) | #544B17 | 0.078 |
| Deuteranopia (no green cones) | #4D4621 | 0.078 |
| Tritanopia (no blue cones) | #025147 | 0.063 |
| Achromatopsia (no color) | #484848 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15531D
#15531D
oklch(39% 0.106 145.2)
- #602E63
#602E63
oklch(39% 0.104 325.2)
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 #15531D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.021
- Deep Green #02590F ΔE 0.027
- Navy Green #35530A ΔE 0.030
- Bottle Green #044A05 ΔE 0.036
- Darkgreen #054907 ΔE 0.038
- Pine Green #0A481E ΔE 0.039
- British Racing Green #05480D ΔE 0.040
- Spruce #0A5F38 ΔE 0.044
Use #15531D 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.