#40BF79
Closest named color: Dark Mint (#48C072). oklch(71.8% 0.151 155.1), rgb(64, 191, 121).
Aa
Black text reads best on this color (8.94:1).
About this color
#40BF79 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.151 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.010 away. Black text reads best on it, at 8.94:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 8.94:1 |
| White text | 2.34:1 |
Values
| HEX | #40BF79 |
| RGB | rgb(64, 191, 121) |
| HSL | hsl(147, 50%, 50%) |
| OKLCH | oklch(71.8% 0.151 155.1) |
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 #40BF79 | 2.34:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #40BF79 | 8.94:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #40BF79 text on white | 2.34:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #40BF79 text on black | 8.94:1 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DCF0E2
oklch(93.6% 0.028 155.3)
-
Step 200
200
#BFE4CA
oklch(88.5% 0.053 154.6)
-
Step 300
300
#8ED3A6
oklch(80.9% 0.095 155.1)
-
Step 400
400 (this color)
#40BF79
oklch(71.8% 0.151 155.1)
-
Step 500
500
#00A45E
oklch(63.1% 0.156 155.1)
-
Step 600
600
#008A4E
oklch(55.6% 0.137 155)
-
Step 700
700
#007441
oklch(49.1% 0.121 155.2)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#004F2B
oklch(37.6% 0.092 155.5)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#40BF79 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) | #BEB074 | 0.134 |
| Deuteranopia (no green cones) | #AEA57E | 0.131 |
| Tritanopia (no blue cones) | #00BDAD | 0.074 |
| Achromatopsia (no color) | #A9A9A9 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40BF79
#40BF79
oklch(71.8% 0.151 155.1)
- #DD7DC9
#DD7DC9
oklch(71.9% 0.151 335.2)
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 #40BF79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.010
- Dark Mint Green #20C073 ΔE 0.017
- Greenblue #23C48B ΔE 0.023
- Algae Green #21C36F ΔE 0.024
- Green Blue #01C08D ΔE 0.028
- Cool Green #33B864 ΔE 0.031
- Medium Sea Green #3CB371 ΔE 0.034
- Dark Seafoam #1FB57A ΔE 0.035
Use #40BF79 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.