#1B431E
Closest named color: Evergreen (#05472A). oklch(34.4% 0.077 145.1), rgb(27, 67, 30).
Aa
White text reads best on this color (11.24:1).
About this color
#1B431E is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.077 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.019 away. White text reads best on it, at 11.24:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #1B431E |
| RGB | rgb(27, 67, 30) |
| HSL | hsl(125, 43%, 18%) |
| OKLCH | oklch(34.4% 0.077 145.1) |
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 #1B431E | 11.24:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #1B431E | 1.86:1 | Fails | Lc 8.1 | Not readable |
| #1B431E text on white | 11.24:1 | AAA | Lc 95.8 | Preferred for body text |
| #1B431E text on black | 1.86:1 | Fails | Lc 0.0 | 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
#CDDFCC
oklch(88.5% 0.032 143.8)
-
Step 300
300
#AACBAA
oklch(80.9% 0.058 145)
-
Step 400
400
#7CB07D
oklch(70.7% 0.092 145)
-
Step 500
500
#589C5B
oklch(63.1% 0.118 144.9)
-
Step 600
600
#3A8641
oklch(55.5% 0.128 145.3)
-
Step 700
700
#2C7232
oklch(49.2% 0.12 145)
-
Step 800
800
#265D2A
oklch(42.8% 0.1 144.9)
-
Step 900
900 (this color)
#1B431E
oklch(34.4% 0.077 145.1)
-
Step 950
950
#162D17
oklch(27.1% 0.049 145)
#1B431E 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) | #443D1B | 0.059 |
| Deuteranopia (no green cones) | #3F3921 | 0.059 |
| Tritanopia (no blue cones) | #14413A | 0.047 |
| Achromatopsia (no color) | #3B3B3B | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B431E
#1B431E
oklch(34.4% 0.077 145.1)
- #4D294F
#4D294F
oklch(34.4% 0.079 325.2)
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 #1B431E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.019
- Pine Green #0A481E ΔE 0.019
- Forrest Green #154406 ΔE 0.027
- Hunter Green #0B4008 ΔE 0.030
- British Racing Green #05480D ΔE 0.032
- Dark Olive #373E02 ΔE 0.038
- Darkgreen #054907 ΔE 0.038
- Racing Green #014600 ΔE 0.039
Use #1B431E 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.