#599F78
Closest named color: Ocean Green (#3D9973). oklch(64.5% 0.093 158), rgb(89, 159, 120).
Aa
Black text reads best on this color (6.65:1).
About this color
#599F78 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.093 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.032 away. Black text reads best on it, at 6.65:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.65:1 |
| White text | 3.15:1 |
Values
| HEX | #599F78 |
| RGB | rgb(89, 159, 120) |
| HSL | hsl(147, 28%, 49%) |
| OKLCH | oklch(64.5% 0.093 158) |
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 #599F78 | 3.15:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #599F78 | 6.65:1 | AA | Lc 45.5 | Large or bold text, headings |
| #599F78 text on white | 3.15:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #599F78 text on black | 6.65:1 | AA | Lc -43.2 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDED3
oklch(88.4% 0.024 159.1)
-
Step 300
300
#A9CAB6
oklch(80.9% 0.045 158.6)
-
Step 400
400
#7AAF8F
oklch(70.8% 0.073 157.4)
-
Step 500
500 (this color)
#599F78
oklch(64.5% 0.093 158)
-
Step 600
600
#36855C
oklch(55.6% 0.101 157.9)
-
Step 700
700
#27714C
oklch(49.2% 0.095 158)
-
Step 800
800
#235C3E
oklch(42.8% 0.078 157.5)
-
Step 900
900
#224B35
oklch(37.6% 0.06 158.2)
-
Step 950
950
#152C1F
oklch(27% 0.038 157.7)
#599F78 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) | #9E9576 | 0.087 |
| Deuteranopia (no green cones) | #938E7A | 0.083 |
| Tritanopia (no blue cones) | #489E94 | 0.042 |
| Achromatopsia (no color) | #919191 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599F78
#599F78
oklch(64.5% 0.093 158)
- #B377A1
#B377A1
oklch(64.5% 0.093 338.4)
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 #599F78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.032
- Grey Teal #5E9B8A ΔE 0.033
- Dull Teal #5F9E8F ΔE 0.036
- Tea #65AB7C ΔE 0.038
- Greeny Grey #7EA07A ΔE 0.042
- Jade #1FA774 ΔE 0.043
- Moss #769958 ΔE 0.044
- Green Grey #77926F ΔE 0.045
Use #599F78 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.