#539B68
Closest named color: Ocean Green (#3D9973). oklch(62.9% 0.106 151.7), rgb(83, 155, 104).
Aa
Black text reads best on this color (6.25:1).
About this color
#539B68 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.106 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.024 away. Black text reads best on it, at 6.25:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #539B68 |
| RGB | rgb(83, 155, 104) |
| HSL | hsl(138, 30%, 47%) |
| OKLCH | oklch(62.9% 0.106 151.7) |
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 #539B68 | 3.35:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #539B68 | 6.25:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #539B68 text on white | 3.35:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #539B68 text on black | 6.25:1 | AA | Lc -40.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A9CBB0
oklch(81% 0.052 151.2)
-
Step 400
400
#79B087
oklch(70.8% 0.083 151.8)
-
Step 500
500 (this color)
#539B68
oklch(62.9% 0.106 151.7)
-
Step 600
600
#358650
oklch(55.6% 0.115 151.7)
-
Step 700
700
#267241
oklch(49.2% 0.108 151.9)
-
Step 800
800
#225D36
oklch(42.9% 0.089 151.9)
-
Step 900
900
#224C2F
oklch(37.7% 0.069 151.9)
-
Step 950
950
#152D1B
oklch(27.2% 0.045 150.5)
#539B68 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) | #9B9165 | 0.091 |
| Deuteranopia (no green cones) | #91896B | 0.090 |
| Tritanopia (no blue cones) | #45998E | 0.057 |
| Achromatopsia (no color) | #8C8C8C | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #539B68
#539B68
oklch(62.9% 0.106 151.7)
- #AE70A5
#AE70A5
oklch(62.8% 0.106 332.1)
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 #539B68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.024
- Light Forest Green #4F9153 ΔE 0.035
- Muted Green #5FA052 ΔE 0.036
- Moss #769958 ΔE 0.038
- Drab Green #749551 ΔE 0.039
- Flat Green #699D4C ΔE 0.040
- Jade #1FA774 ΔE 0.040
- Off Green #6BA353 ΔE 0.046
Use #539B68 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.