#3FB691
Closest named color: Greeny Blue (#42B395). oklch(70% 0.119 168.6), rgb(63, 182, 145).
Aa
Black text reads best on this color (8.31:1).
About this color
#3FB691 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.119 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.012 away. Black text reads best on it, at 8.31:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.31:1 |
| White text | 2.52:1 |
Values
| HEX | #3FB691 |
| RGB | rgb(63, 182, 145) |
| HSL | hsl(161, 49%, 48%) |
| OKLCH | oklch(70% 0.119 168.6) |
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 #3FB691 | 2.52:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #3FB691 | 8.31:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #3FB691 text on white | 2.52:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #3FB691 text on black | 8.31:1 | AAA | Lc -52.7 | 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
#DDEFE7
oklch(93.7% 0.022 167.5)
-
Step 200
200
#C0E2D4
oklch(88.4% 0.041 168.6)
-
Step 300
300
#90D1B8
oklch(81% 0.075 168.5)
-
Step 400
400 (this color)
#3FB691
oklch(70% 0.119 168.6)
-
Step 500
500
#00A17B
oklch(63% 0.127 168.5)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#3FB691 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) | #B1AA8F | 0.120 |
| Deuteranopia (no green cones) | #A19E93 | 0.116 |
| Tritanopia (no blue cones) | #00B7AB | 0.038 |
| Achromatopsia (no color) | #A3A3A3 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB691
#3FB691
oklch(70% 0.119 168.6)
- #D57EAB
#D57EAB
oklch(70% 0.12 348.3)
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 #3FB691, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.012
- Green Blue #01C08D ΔE 0.034
- Bluey Green #2BB179 ΔE 0.037
- Dark Seafoam #1FB57A ΔE 0.037
- Dark Seafoam Green #3EAF76 ΔE 0.037
- Tea #65AB7C ΔE 0.039
- Topaz #13BBAF ΔE 0.041
- Light Sea Green #20B2AA ΔE 0.043
Use #3FB691 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.