#599963
Closest named color: Ocean Green (#3D9973). oklch(62.5% 0.104 147.9), rgb(89, 153, 99).
Aa
Black text reads best on this color (6.16:1).
About this color
#599963 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.104 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.029 away. Black text reads best on it, at 6.16:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #599963 |
| RGB | rgb(89, 153, 99) |
| HSL | hsl(129, 26%, 47%) |
| OKLCH | oklch(62.5% 0.104 147.9) |
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 #599963 | 3.40:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #599963 | 6.16:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #599963 text on white | 3.40:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #599963 text on black | 6.16:1 | AA | Lc -40.3 | 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
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#ABCAAE
oklch(80.8% 0.051 147.8)
-
Step 400
400
#7EAF84
oklch(70.7% 0.081 147.8)
-
Step 500
500 (this color)
#599963
oklch(62.5% 0.104 147.9)
-
Step 600
600
#3E854B
oklch(55.6% 0.114 147.8)
-
Step 700
700
#30713C
oklch(49.2% 0.106 147.6)
-
Step 800
800
#295C32
oklch(42.8% 0.088 147.7)
-
Step 900
900
#264B2C
oklch(37.6% 0.068 147.8)
-
Step 950
950
#172C1A
oklch(26.9% 0.043 147.7)
#599963 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) | #9A8F5F | 0.084 |
| Deuteranopia (no green cones) | #918866 | 0.084 |
| Tritanopia (no blue cones) | #4F968B | 0.061 |
| Achromatopsia (no color) | #8B8B8B | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599963
#599963
oklch(62.5% 0.104 147.9)
- #AA70A8
#AA70A8
oklch(62.5% 0.106 327.9)
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 #599963, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.029
- Light Forest Green #4F9153 ΔE 0.031
- Drab Green #749551 ΔE 0.032
- Moss #769958 ΔE 0.033
- Muted Green #5FA052 ΔE 0.034
- Flat Green #699D4C ΔE 0.036
- Slate Green #658D6D ΔE 0.044
- Off Green #6BA353 ΔE 0.044
Use #599963 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.