#40B08D
Closest named color: Greeny Blue (#42B395). oklch(68.4% 0.114 168.8), rgb(64, 176, 141).
Aa
Black text reads best on this color (7.81:1).
About this color
#40B08D is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.114 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.013 away. Black text reads best on it, at 7.81:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.81:1 |
| White text | 2.68:1 |
Values
| HEX | #40B08D |
| RGB | rgb(64, 176, 141) |
| HSL | hsl(161, 47%, 47%) |
| OKLCH | oklch(68.4% 0.114 168.8) |
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 #40B08D | 2.68:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #40B08D | 7.81:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #40B08D text on white | 2.68:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #40B08D text on black | 7.81:1 | AAA | Lc -50.0 | 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
#F0F8F4
oklch(97.2% 0.01 164.9)
-
Step 100
100
#DDEFE7
oklch(93.7% 0.022 167.5)
-
Step 200
200
#C1E2D4
oklch(88.5% 0.04 167.9)
-
Step 300
300
#92D0B8
oklch(80.9% 0.072 168.5)
-
Step 400
400 (this color)
#40B08D
oklch(68.4% 0.114 168.8)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#40B08D 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) | #ACA48B | 0.117 |
| Deuteranopia (no green cones) | #9C998F | 0.112 |
| Tritanopia (no blue cones) | #00B1A6 | 0.037 |
| Achromatopsia (no color) | #9E9E9E | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40B08D
#40B08D
oklch(68.4% 0.114 168.8)
- #CE7BA5
#CE7BA5
oklch(68.4% 0.115 348.9)
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 #40B08D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.013
- Tea #65AB7C ΔE 0.032
- Dark Seafoam Green #3EAF76 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.033
- Dark Seafoam #1FB57A ΔE 0.039
- Light Sea Green #20B2AA ΔE 0.041
- Medium Sea Green #3CB371 ΔE 0.043
- Green Teal #0CB577 ΔE 0.044
Use #40B08D 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.