#338745
Closest named color: Sea Green (#2E8B57). oklch(55.6% 0.129 147.9), rgb(51, 135, 69).
Aa
Black text reads best on this color (4.69:1).
About this color
#338745 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.129 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.022 away. Black text reads best on it, at 4.69:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #338745 |
| RGB | rgb(51, 135, 69) |
| HSL | hsl(133, 45%, 36%) |
| OKLCH | oklch(55.6% 0.129 147.9) |
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 #338745 | 4.47:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #338745 | 4.69:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #338745 text on white | 4.47:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #338745 text on black | 4.69:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CCDFCD
oklch(88.4% 0.032 146.8)
-
Step 300
300
#A8CBAC
oklch(80.8% 0.057 148.2)
-
Step 400
400
#78B180
oklch(70.8% 0.093 148.1)
-
Step 500
500
#529D5F
oklch(63.1% 0.119 147.9)
-
Step 600
600 (this color)
#338745
oklch(55.6% 0.129 147.9)
-
Step 700
700
#257237
oklch(49% 0.118 148)
-
Step 800
800
#215D2E
oklch(42.7% 0.098 148)
-
Step 900
900
#214C29
oklch(37.6% 0.076 147.9)
-
Step 950
950
#142D18
oklch(27% 0.05 147.7)
#338745 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) | #887C40 | 0.102 |
| Deuteranopia (no green cones) | #7E744A | 0.102 |
| Tritanopia (no blue cones) | #1D8477 | 0.074 |
| Achromatopsia (no color) | #777777 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338745
#338745
oklch(55.6% 0.129 147.9)
- #9A5599
#9A5599
oklch(55.5% 0.128 327.7)
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 #338745, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.022
- Jungle Green #048243 ΔE 0.027
- Fern Green #548D44 ΔE 0.037
- Forest Green #228B22 ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.044
- Viridian #1E9167 ΔE 0.045
- Tree Green #2A7E19 ΔE 0.046
- Kelley Green #009337 ΔE 0.047
Use #338745 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.