#39C997
Closest named color: Greenblue (#23C48B). oklch(74.8% 0.141 165), rgb(57, 201, 151).
Aa
Black text reads best on this color (9.97:1).
About this color
#39C997 is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.141 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.023 away. Black text reads best on it, at 9.97:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.97:1 |
| White text | 2.10:1 |
Values
| HEX | #39C997 |
| RGB | rgb(57, 201, 151) |
| HSL | hsl(159, 57%, 51%) |
| OKLCH | oklch(74.8% 0.141 165) |
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 #39C997 | 2.10:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #39C997 | 9.97:1 | AAA | Lc 63.1 | Content text, not long reading |
| #39C997 text on white | 2.10:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #39C997 text on black | 9.97:1 | AAA | Lc -61.5 | Content text, not long reading |
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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DBF0E6
oklch(93.7% 0.026 165.6)
-
Step 200
200
#BCE4D1
oklch(88.5% 0.049 164.9)
-
Step 300
300
#88D3B3
oklch(80.9% 0.088 165.5)
-
Step 400
400 (this color)
#39C997
oklch(74.8% 0.141 165)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#39C997 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) | #C5BB94 | 0.139 |
| Deuteranopia (no green cones) | #B2AD9A | 0.134 |
| Tritanopia (no blue cones) | #00C9BB | 0.051 |
| Achromatopsia (no color) | #B3B3B3 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39C997
#39C997
oklch(74.8% 0.141 165)
- #EC87C2
#EC87C2
oklch(74.9% 0.141 345)
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 #39C997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.023
- Green Blue #01C08D ΔE 0.033
- Emerald #06D6A0 ΔE 0.035
- Medium Aquamarine #66CDAA ΔE 0.043
- Dark Mint #48C072 ΔE 0.046
- Soft Green #6FC276 ΔE 0.047
- Seaweed #18D17B ΔE 0.051
- Dark Mint Green #20C073 ΔE 0.051
Use #39C997 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.