#40B07D
Closest named color: Dark Seafoam Green (#3EAF76). oklch(68% 0.127 160.2), rgb(64, 176, 125).
Aa
Black text reads best on this color (7.72:1).
About this color
#40B07D is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.127 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.010 away. Black text reads best on it, at 7.72:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #40B07D |
| RGB | rgb(64, 176, 125) |
| HSL | hsl(153, 47%, 47%) |
| OKLCH | oklch(68% 0.127 160.2) |
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 #40B07D | 2.71:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #40B07D | 7.72:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #40B07D text on white | 2.71:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #40B07D text on black | 7.72:1 | AAA | Lc -49.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DDEFE5
oklch(93.6% 0.023 161.7)
-
Step 200
200
#C1E3CF
oklch(88.6% 0.045 159.5)
-
Step 300
300
#93D1AF
oklch(80.9% 0.08 160)
-
Step 400
400 (this color)
#40B07D
oklch(68% 0.127 160.2)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#40B07D 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) | #AEA37A | 0.121 |
| Deuteranopia (no green cones) | #9F9880 | 0.118 |
| Tritanopia (no blue cones) | #00AFA2 | 0.055 |
| Achromatopsia (no color) | #9D9D9D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40B07D
#40B07D
oklch(68% 0.127 160.2)
- #CC77B1
#CC77B1
oklch(68% 0.128 340)
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 #40B07D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.010
- Bluey Green #2BB179 ΔE 0.013
- Dark Seafoam #1FB57A ΔE 0.021
- Medium Sea Green #3CB371 ΔE 0.021
- Seaweed Green #35AD6B ΔE 0.026
- Green Teal #0CB577 ΔE 0.026
- Algae #54AC68 ΔE 0.026
- Jade Green #2BAF6A ΔE 0.029
Use #40B07D 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.