#009E78
Closest named color: Ocean Green (#3D9973). oklch(62.1% 0.126 168.1), rgb(0, 158, 120).
Aa
Black text reads best on this color (6.16:1).
About this color
#009E78 is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.126 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.023 away. Black text reads best on it, at 6.16:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #009E78 |
| RGB | rgb(0, 158, 120) |
| HSL | hsl(166, 100%, 31%) |
| OKLCH | oklch(62.1% 0.126 168.1) |
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 #009E78 | 3.40:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #009E78 | 6.16:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #009E78 text on white | 3.40:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #009E78 text on black | 6.16:1 | AA | Lc -40.8 | 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
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DFEEE7
oklch(93.6% 0.018 166.4)
-
Step 200
200
#C4E1D5
oklch(88.5% 0.035 168.7)
-
Step 300
300
#9ACEB9
oklch(80.9% 0.062 168)
-
Step 400
400
#5CB495
oklch(70.6% 0.098 168.3)
-
Step 500
500 (this color)
#009E78
oklch(62.1% 0.126 168.1)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#032E22
oklch(26.9% 0.051 169.4)
#009E78 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) | #9A9276 | 0.127 |
| Deuteranopia (no green cones) | #89867B | 0.122 |
| Tritanopia (no blue cones) | #009F93 | 0.040 |
| Achromatopsia (no color) | #8B8B8B | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #009E78
#009E78
oklch(62.1% 0.126 168.1)
- #BD6594
#BD6594
oklch(62.2% 0.126 348.1)
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 #009E78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.023
- Jade #1FA774 ΔE 0.031
- Blue Green #0F9B8E ΔE 0.037
- Viridian #1E9167 ΔE 0.039
- Persian Green #2A9D8F ΔE 0.039
- Sea #3C9992 ΔE 0.053
- Light Forest Green #4F9153 ΔE 0.055
- Seaweed Green #35AD6B ΔE 0.057
Use #009E78 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.