#004B01
Closest named color: Bottle Green (#044A05). oklch(35.8% 0.121 142.7), rgb(0, 75, 1).
Aa
White text reads best on this color (10.46:1).
About this color
#004B01 is a dark, moderately saturated green. In OKLCH its lightness is 36%, its chroma 0.121 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bottle Green (#044A05), ΔE 0.005 away. White text reads best on it, at 10.46:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Bottle Green (#044A05) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #004B01 |
| RGB | rgb(0, 75, 1) |
| HSL | hsl(121, 100%, 15%) |
| OKLCH | oklch(35.8% 0.121 142.7) |
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 #004B01 | 10.46:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #004B01 | 2.00:1 | Fails | Lc 10.3 | Not readable |
| #004B01 text on white | 10.46:1 | AAA | Lc 93.6 | Preferred for body text |
| #004B01 text on black | 2.00:1 | Fails | Lc -8.9 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C7E2C4
oklch(88.5% 0.05 142.4)
-
Step 300
300
#9FD09A
oklch(80.9% 0.091 142.4)
-
Step 400
400
#66B761
oklch(70.7% 0.145 142.7)
-
Step 500
500
#31A42E
oklch(63.2% 0.186 142.7)
-
Step 600
600
#008C04
oklch(55.5% 0.188 142.7)
-
Step 700
700
#007603
oklch(49% 0.166 142.7)
-
Step 800
800
#006102
oklch(42.7% 0.144 142.7)
-
Step 900
900 (this color)
#004B01
oklch(35.8% 0.121 142.7)
-
Step 950
950
#0A2F09
oklch(26.9% 0.076 142.7)
#004B01 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) | #4D4300 | 0.086 |
| Deuteranopia (no green cones) | #463D0B | 0.087 |
| Tritanopia (no blue cones) | #00483E | 0.079 |
| Achromatopsia (no color) | #3F3F3F | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004B01
#004B01
oklch(35.8% 0.121 142.7)
- #592061
#592061
oklch(35.8% 0.122 322.6)
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 #004B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bottle Green #044A05 ΔE 0.005
- Darkgreen #054907 ΔE 0.009
- British Racing Green #05480D ΔE 0.015
- Racing Green #014600 ΔE 0.017
- Forrest Green #154406 ΔE 0.026
- Pine Green #0A481E ΔE 0.031
- Forest #0B5509 ΔE 0.034
- Hunter Green #0B4008 ΔE 0.039
Use #004B01 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.