#40BB7E
Closest named color: Green Blue (#01C08D). oklch(70.9% 0.141 157.7), rgb(64, 187, 126).
Aa
Black text reads best on this color (8.62:1).
About this color
#40BB7E is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.141 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.023 away. Black text reads best on it, at 8.62:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.62:1 |
| White text | 2.43:1 |
Values
| HEX | #40BB7E |
| RGB | rgb(64, 187, 126) |
| HSL | hsl(150, 49%, 49%) |
| OKLCH | oklch(70.9% 0.141 157.7) |
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 #40BB7E | 2.43:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #40BB7E | 8.62:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #40BB7E text on white | 2.43:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #40BB7E text on black | 8.62:1 | AAA | Lc -54.5 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DDEFE3
oklch(93.5% 0.025 156.7)
-
Step 200
200
#BFE4CD
oklch(88.6% 0.05 157.9)
-
Step 300
300
#8FD2AB
oklch(80.8% 0.088 158.2)
-
Step 400
400 (this color)
#40BB7E
oklch(70.9% 0.141 157.7)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#40BB7E 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) | #BAAD7A | 0.131 |
| Deuteranopia (no green cones) | #A9A182 | 0.127 |
| Tritanopia (no blue cones) | #00BAAB | 0.064 |
| Achromatopsia (no color) | #A6A6A6 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40BB7E
#40BB7E
oklch(70.9% 0.141 157.7)
- #D87CC0
#D87CC0
oklch(70.8% 0.141 337.5)
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 #40BB7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.023
- Dark Mint #48C072 ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.025
- Medium Sea Green #3CB371 ΔE 0.026
- Greenblue #23C48B ΔE 0.026
- Dark Mint Green #20C073 ΔE 0.027
- Green Teal #0CB577 ΔE 0.029
- Bluey Green #2BB179 ΔE 0.032
Use #40BB7E 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.