#40BD98
Closest named color: Green Blue (#01C08D). oklch(72% 0.123 169.5), rgb(64, 189, 152).
Aa
Black text reads best on this color (8.95:1).
About this color
#40BD98 is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.123 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.028 away. Black text reads best on it, at 8.95:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.95:1 |
| White text | 2.34:1 |
Values
| HEX | #40BD98 |
| RGB | rgb(64, 189, 152) |
| HSL | hsl(162, 49%, 50%) |
| OKLCH | oklch(72% 0.123 169.5) |
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 #40BD98 | 2.34:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #40BD98 | 8.95:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #40BD98 text on white | 2.34:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #40BD98 text on black | 8.95:1 | AAA | Lc -56.2 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE7
oklch(93.6% 0.023 168.7)
-
Step 200
200
#BFE3D4
oklch(88.6% 0.043 168.2)
-
Step 300
300
#8ED1B9
oklch(80.9% 0.076 169.9)
-
Step 400
400 (this color)
#40BD98
oklch(72% 0.123 169.5)
-
Step 500
500
#00A17D
oklch(63% 0.125 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#40BD98 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) | #B8B196 | 0.125 |
| Deuteranopia (no green cones) | #A7A49B | 0.121 |
| Tritanopia (no blue cones) | #00BEB2 | 0.038 |
| Achromatopsia (no color) | #A9A9A9 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40BD98
#40BD98
oklch(72% 0.123 169.5)
- #DD83B0
#DD83B0
oklch(71.9% 0.123 349.3)
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 #40BD98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.028
- Greeny Blue #42B395 ΔE 0.028
- Greenblue #23C48B ΔE 0.034
- Topaz #13BBAF ΔE 0.037
- Dark Seafoam #1FB57A ΔE 0.048
- Light Sea Green #20B2AA ΔE 0.050
- Bluey Green #2BB179 ΔE 0.051
- Dark Seafoam Green #3EAF76 ΔE 0.053
Use #40BD98 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.