#1B6121
Closest named color: Dark Green (#006400). oklch(43.4% 0.119 144.4), rgb(27, 97, 33).
Aa
White text reads best on this color (7.55:1).
About this color
#1B6121 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.119 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.030 away. White text reads best on it, at 7.55:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.77:1 |
| White text | 7.55:1 |
Values
| HEX | #1B6121 |
| RGB | rgb(27, 97, 33) |
| HSL | hsl(125, 56%, 24%) |
| OKLCH | oklch(43.4% 0.119 144.4) |
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 #1B6121 | 7.55:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #1B6121 | 2.77:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #1B6121 text on white | 7.55:1 | AAA | Lc 85.9 | Fine for body text |
| #1B6121 text on black | 2.77:1 | Fails | Lc -16.2 | 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 800.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CA
oklch(88.4% 0.038 145.2)
-
Step 300
300
#A6CDA5
oklch(80.9% 0.069 144.3)
-
Step 400
400
#73B374
oklch(70.7% 0.112 144.6)
-
Step 500
500
#4B9F4E
oklch(63.1% 0.143 144.3)
-
Step 600
600
#288931
oklch(55.5% 0.154 144.5)
-
Step 700
700
#187423
oklch(49% 0.143 144.5)
-
Step 800
800 (this color)
#1B6121
oklch(43.4% 0.119 144.4)
-
Step 900
900
#1C4E1F
oklch(37.8% 0.093 144.5)
-
Step 950
950
#122E13
oklch(27.1% 0.059 144.4)
#1B6121 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) | #63581A | 0.088 |
| Deuteranopia (no green cones) | #5B5226 | 0.088 |
| Tritanopia (no blue cones) | #065E53 | 0.074 |
| Achromatopsia (no color) | #545454 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6121
#1B6121
oklch(43.4% 0.119 144.4)
- #703675
#703675
oklch(43.4% 0.119 324.3)
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 #1B6121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.030
- Spruce #0A5F38 ΔE 0.031
- Deep Green #02590F ΔE 0.033
- Pine #2B5D34 ΔE 0.034
- Forest #0B5509 ΔE 0.043
- Navy Green #35530A ΔE 0.044
- Camouflage Green #4B6113 ΔE 0.048
- Army Green #4B5D16 ΔE 0.048
Use #1B6121 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.