#303B00
Closest named color: Dark Olive (#373E02). oklch(33% 0.079 120.6), rgb(48, 59, 0).
Aa
White text reads best on this color (11.99:1).
About this color
#303B00 is a dark, moderately saturated brown. In OKLCH its lightness is 33%, its chroma 0.079 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.016 away. White text reads best on it, at 11.99:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.75:1 |
| White text | 11.99:1 |
Values
| HEX | #303B00 |
| RGB | rgb(48, 59, 0) |
| HSL | hsl(71, 100%, 12%) |
| OKLCH | oklch(33% 0.079 120.6) |
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 #303B00 | 11.99:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #303B00 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #303B00 text on white | 11.99:1 | AAA | Lc 97.3 | Preferred for body text |
| #303B00 text on black | 1.75:1 | 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
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E8ECDF
oklch(93.6% 0.018 120.7)
-
Step 200
200
#D6DDC5
oklch(88.6% 0.033 120.3)
-
Step 300
300
#BBC79C
oklch(80.9% 0.06 120.4)
-
Step 400
400
#98AA65
oklch(70.8% 0.095 120.8)
-
Step 500
500
#7F9437
oklch(63.1% 0.121 120.8)
-
Step 600
600
#697E04
oklch(55.6% 0.132 120.7)
-
Step 700
700
#586A00
oklch(49.2% 0.117 120.6)
-
Step 800
800
#475701
oklch(42.8% 0.102 121.2)
-
Step 900
900 (this color)
#303B00
oklch(33% 0.079 120.6)
-
Step 950
950
#232A0B
oklch(27% 0.05 120.6)
#303B00 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) | #403700 | 0.030 |
| Deuteranopia (no green cones) | #3E3705 | 0.028 |
| Tritanopia (no blue cones) | #343731 | 0.068 |
| Achromatopsia (no color) | #373737 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #303B00
#303B00
oklch(33% 0.079 120.6)
- #3C2A57
#3C2A57
oklch(32.9% 0.079 300.6)
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 #303B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.016
- Pakistan Green #283618 ΔE 0.034
- Forrest Green #154406 ΔE 0.039
- Hunter Green #0B4008 ΔE 0.040
- Pine Green #0A481E ΔE 0.050
- British Racing Green #05480D ΔE 0.052
- Racing Green #014600 ΔE 0.053
- Evergreen #05472A ΔE 0.055
Use #303B00 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.