#40C083
Closest named color: Greenblue (#23C48B). oklch(72.2% 0.144 158.5), rgb(64, 192, 131).
Aa
Black text reads best on this color (9.08:1).
About this color
#40C083 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.144 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.015 away. Black text reads best on it, at 9.08:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.08:1 |
| White text | 2.31:1 |
Values
| HEX | #40C083 |
| RGB | rgb(64, 192, 131) |
| HSL | hsl(151, 50%, 50%) |
| OKLCH | oklch(72.2% 0.144 158.5) |
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 #40C083 | 2.31:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #40C083 | 9.08:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #40C083 text on white | 2.31:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #40C083 text on black | 9.08:1 | AAA | Lc -56.9 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DCEFE3
oklch(93.5% 0.026 158.2)
-
Step 200
200
#BEE4CD
oklch(88.5% 0.051 158.6)
-
Step 300
300
#8ED3AB
oklch(81% 0.09 158.2)
-
Step 400
400 (this color)
#40C083
oklch(72.2% 0.144 158.5)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#40C083 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) | #BEB27F | 0.133 |
| Deuteranopia (no green cones) | #AEA687 | 0.130 |
| Tritanopia (no blue cones) | #00BFB0 | 0.064 |
| Achromatopsia (no color) | #AAAAAA | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40C083
#40C083
oklch(72.2% 0.144 158.5)
- #DF7FC4
#DF7FC4
oklch(72.2% 0.145 338.5)
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 #40C083, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.015
- Green Blue #01C08D ΔE 0.020
- Dark Mint #48C072 ΔE 0.021
- Dark Mint Green #20C073 ΔE 0.027
- Algae Green #21C36F ΔE 0.034
- Soft Green #6FC276 ΔE 0.037
- Dark Seafoam #1FB57A ΔE 0.038
- Medium Sea Green #3CB371 ΔE 0.039
Use #40C083 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.