#1B451D
Closest named color: Pine Green (#0A481E). oklch(34.9% 0.081 144.4), rgb(27, 69, 29).
Aa
White text reads best on this color (10.96:1).
About this color
#1B451D is a dark, moderately saturated green. In OKLCH its lightness is 35%, its chroma 0.081 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine Green (#0A481E), ΔE 0.014 away. White text reads best on it, at 10.96:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Pine Green (#0A481E) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #1B451D |
| RGB | rgb(27, 69, 29) |
| HSL | hsl(123, 44%, 19%) |
| OKLCH | oklch(34.9% 0.081 144.4) |
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 #1B451D | 10.96:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #1B451D | 1.91:1 | Fails | Lc 8.7 | Not readable |
| #1B451D text on white | 10.96:1 | AAA | Lc 95.2 | Preferred for body text |
| #1B451D text on black | 1.91:1 | Fails | Lc -7.5 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCC
oklch(88.4% 0.033 145.3)
-
Step 300
300
#A9CCA8
oklch(81% 0.062 144.3)
-
Step 400
400
#7AB17A
oklch(70.8% 0.098 144.5)
-
Step 500
500
#559D57
oklch(63.1% 0.125 144.5)
-
Step 600
600
#37873C
oklch(55.6% 0.135 144.6)
-
Step 700
700
#29722E
oklch(49% 0.125 144.5)
-
Step 800
800
#245D27
oklch(42.7% 0.104 144.4)
-
Step 900
900 (this color)
#1B451D
oklch(34.9% 0.081 144.4)
-
Step 950
950
#152D16
oklch(27% 0.051 144.9)
#1B451D 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) | #463F19 | 0.060 |
| Deuteranopia (no green cones) | #413B20 | 0.061 |
| Tritanopia (no blue cones) | #14433C | 0.051 |
| Achromatopsia (no color) | #3C3C3C | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B451D
#1B451D
oklch(34.9% 0.081 144.4)
- #4F2A52
#4F2A52
oklch(35% 0.082 324.4)
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 #1B451D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine Green #0A481E ΔE 0.014
- Evergreen #05472A ΔE 0.019
- Forrest Green #154406 ΔE 0.024
- British Racing Green #05480D ΔE 0.027
- Hunter Green #0B4008 ΔE 0.031
- Darkgreen #054907 ΔE 0.033
- Racing Green #014600 ΔE 0.035
- Bottle Green #044A05 ΔE 0.036
Use #1B451D 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.