#40A079
Closest named color: Ocean Green (#3D9973). oklch(63.8% 0.109 163.5), rgb(64, 160, 121).
Aa
Black text reads best on this color (6.52:1).
About this color
#40A079 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.109 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.021 away. Black text reads best on it, at 6.52:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.52:1 |
| White text | 3.21:1 |
Values
| HEX | #40A079 |
| RGB | rgb(64, 160, 121) |
| HSL | hsl(156, 43%, 44%) |
| OKLCH | oklch(63.8% 0.109 163.5) |
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 #40A079 | 3.21:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #40A079 | 6.52:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #40A079 text on white | 3.21:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #40A079 text on black | 6.52:1 | AA | Lc -42.6 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C8E0D4
oklch(88.6% 0.03 164.2)
-
Step 300
300
#A2CCB7
oklch(80.9% 0.053 163.3)
-
Step 400
400
#6CB292
oklch(70.8% 0.086 163.5)
-
Step 500
500 (this color)
#40A079
oklch(63.8% 0.109 163.5)
-
Step 600
600
#068860
oklch(55.5% 0.117 163.8)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#025E41
oklch(42.7% 0.091 163.7)
-
Step 900
900
#134D37
oklch(37.7% 0.07 163.6)
-
Step 950
950
#0E2D20
oklch(26.9% 0.044 163.2)
#40A079 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) | #9D9577 | 0.106 |
| Deuteranopia (no green cones) | #908B7B | 0.103 |
| Tritanopia (no blue cones) | #0BA095 | 0.043 |
| Achromatopsia (no color) | #8F8F8F | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A079
#40A079
oklch(63.8% 0.109 163.5)
- #B9709C
#B9709C
oklch(63.8% 0.108 343.6)
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 #40A079, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.021
- Jade #1FA774 ΔE 0.028
- Persian Green #2A9D8F ΔE 0.037
- Blue Green #0F9B8E ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.043
- Dark Seafoam Green #3EAF76 ΔE 0.046
- Dull Teal #5F9E8F ΔE 0.047
- Sea #3C9992 ΔE 0.048
Use #40A079 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.