#599B6E
Closest named color: Ocean Green (#3D9973). oklch(63.3% 0.096 153.1), rgb(89, 155, 110).
Aa
Black text reads best on this color (6.33:1).
About this color
#599B6E is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.096 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.025 away. Black text reads best on it, at 6.33:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #599B6E |
| RGB | rgb(89, 155, 110) |
| HSL | hsl(139, 27%, 48%) |
| OKLCH | oklch(63.3% 0.096 153.1) |
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 #599B6E | 3.31:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #599B6E | 6.33:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #599B6E text on white | 3.31:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #599B6E text on black | 6.33:1 | AA | Lc -41.3 | 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
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED1
oklch(88.4% 0.025 152.8)
-
Step 300
300
#AACAB2
oklch(80.9% 0.048 152.8)
-
Step 400
400
#7CAF8A
oklch(70.8% 0.076 152.7)
-
Step 500
500 (this color)
#599B6E
oklch(63.3% 0.096 153.1)
-
Step 600
600
#3B8555
oklch(55.6% 0.105 152.9)
-
Step 700
700
#2D7045
oklch(49% 0.097 152.8)
-
Step 800
800
#275C39
oklch(42.8% 0.081 152.6)
-
Step 900
900
#254B31
oklch(37.7% 0.063 152.6)
-
Step 950
950
#162C1D
oklch(27% 0.04 153.2)
#599B6E 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) | #9B916B | 0.085 |
| Deuteranopia (no green cones) | #918A71 | 0.083 |
| Tritanopia (no blue cones) | #4C998F | 0.050 |
| Achromatopsia (no color) | #8D8D8D | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599B6E
#599B6E
oklch(63.3% 0.096 153.1)
- #AD74A3
#AD74A3
oklch(63.3% 0.096 333.1)
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 #599B6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.025
- Moss #769958 ΔE 0.037
- Drab Green #749551 ΔE 0.040
- Green Grey #77926F ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.042
- Slate Green #658D6D ΔE 0.042
- Muted Green #5FA052 ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.043
Use #599B6E 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.