#5B751B
Closest named color: Olive Green (#677A04). oklch(52.4% 0.118 124.7), rgb(91, 117, 27).
Aa
White text reads best on this color (5.24:1).
About this color
#5B751B is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 52%, its chroma 0.118 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.025 away. White text reads best on it, at 5.24:1.
| Hue family | Yellows |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #5B751B |
| RGB | rgb(91, 117, 27) |
| HSL | hsl(77, 63%, 28%) |
| OKLCH | oklch(52.4% 0.118 124.7) |
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 #5B751B | 5.24:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #5B751B | 4.00:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #5B751B text on white | 5.24:1 | AA | Lc 75.9 | Fine for body text |
| #5B751B text on black | 4.00:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D5DDC8
oklch(88.6% 0.03 124)
-
Step 300
300
#B9C7A2
oklch(80.9% 0.053 124.4)
-
Step 400
400
#95AA6F
oklch(70.7% 0.084 124.5)
-
Step 500
500
#7B9547
oklch(63.2% 0.109 124.7)
-
Step 600
600 (this color)
#5B751B
oklch(52.4% 0.118 124.7)
-
Step 700
700
#536B19
oklch(49.2% 0.11 124.7)
-
Step 800
800
#445718
oklch(42.7% 0.09 124.6)
-
Step 900
900
#39481A
oklch(37.7% 0.072 124.9)
-
Step 950
950
#222A11
oklch(27% 0.044 123.9)
#5B751B 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) | #7C6D08 | 0.051 |
| Deuteranopia (no green cones) | #786C23 | 0.052 |
| Tritanopia (no blue cones) | #606F64 | 0.097 |
| Achromatopsia (no color) | #6C6C6C | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B751B
#5B751B
oklch(52.4% 0.118 124.7)
- #7A56A0
#7A56A0
oklch(52.3% 0.118 305.1)
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 #5B751B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.025
- Muddy Green #657432 ΔE 0.028
- Murky Green #6C7A0E ΔE 0.030
- Browny Green #6F6C0A ΔE 0.035
- Brown Green #706C11 ΔE 0.037
- Dark Olive Green #556B2F ΔE 0.040
- Military Green #667C3E ΔE 0.040
- Mud Green #606602 ΔE 0.042
Use #5B751B 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.