#537D04
Closest named color: Olive Green (#677A04). oklch(53.8% 0.142 129.3), rgb(83, 125, 4).
Aa
White text reads best on this color (4.88:1).
About this color
#537D04 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.142 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.027 away. White text reads best on it, at 4.88:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.30:1 |
| White text | 4.88:1 |
Values
| HEX | #537D04 |
| RGB | rgb(83, 125, 4) |
| HSL | hsl(81, 94%, 25%) |
| OKLCH | oklch(53.8% 0.142 129.3) |
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 #537D04 | 4.88:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #537D04 | 4.30:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #537D04 text on white | 4.88:1 | AA | Lc 73.6 | Content text, not long reading |
| #537D04 text on black | 4.30:1 | AA large text | Lc -28.1 | 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE0
oklch(93.5% 0.017 128.7)
-
Step 200
200
#D2DEC6
oklch(88.5% 0.035 128.9)
-
Step 300
300
#B4C99E
oklch(80.9% 0.063 128.9)
-
Step 400
400
#8CAD68
oklch(70.6% 0.101 129.5)
-
Step 500
500
#70983B
oklch(63% 0.13 129.2)
-
Step 600
600 (this color)
#537D04
oklch(53.8% 0.142 129.3)
-
Step 700
700
#486E00
oklch(49.1% 0.131 129.4)
-
Step 800
800
#3B5A08
oklch(42.7% 0.109 129.6)
-
Step 900
900
#334A13
oklch(37.7% 0.085 129.3)
-
Step 950
950
#1E2B0D
oklch(26.9% 0.053 129)
#537D04 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) | #837300 | 0.073 |
| Deuteranopia (no green cones) | #7E7018 | 0.073 |
| Tritanopia (no blue cones) | #567769 | 0.110 |
| Achromatopsia (no color) | #717171 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537D04
#537D04
oklch(53.8% 0.142 129.3)
- #8753AB
#8753AB
oklch(53.9% 0.142 309.7)
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 #537D04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.027
- Dark Grass Green #388004 ΔE 0.028
- Murky Green #6C7A0E ΔE 0.035
- Tree Green #2A7E19 ΔE 0.036
- Sap Green #5C8B15 ΔE 0.044
- Mossy Green #638B27 ΔE 0.049
- Forest Green #228B22 ΔE 0.049
- Swamp #698339 ΔE 0.051
Use #537D04 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.