#EFDF5F
Closest named color: Dull Yellow (#EEDC5B). oklch(89.3% 0.148 102.2), rgb(239, 223, 95).
Aa
Black text reads best on this color (15.39:1).
About this color
#EFDF5F is a light, vivid yellow. In OKLCH its lightness is 89%, its chroma 0.148 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Yellow (#EEDC5B), ΔE 0.008 away. Black text reads best on it, at 15.39:1.
| Hue family | Yellows |
| Lightness | light (89%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Dull Yellow (#EEDC5B) |
| Black text | 15.39:1 |
| White text | 1.36:1 |
Values
| HEX | #EFDF5F |
| RGB | rgb(239, 223, 95) |
| HSL | hsl(53, 82%, 65%) |
| OKLCH | oklch(89.3% 0.148 102.2) |
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 #EFDF5F | 1.36:1 | Fails | Lc -20.3 | Dividers and decoration only |
| Black text on #EFDF5F | 15.39:1 | AAA | Lc 85.9 | Fine for body text |
| #EFDF5F text on white | 1.36:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #EFDF5F text on black | 15.39:1 | AAA | Lc -85.8 | Fine for body 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 200.
-
Step 50
50
#F8F7E3
oklch(97.2% 0.026 104.5)
-
Step 100
100
#F1ECC2
oklch(93.6% 0.055 101.8)
-
Step 200
200 (this color)
#EFDF5F
oklch(89.3% 0.148 102.2)
-
Step 300
300
#D7C300
oklch(80.9% 0.169 102)
-
Step 400
400
#B3A300
oklch(70.7% 0.148 102.4)
-
Step 500
500
#9A8B00
oklch(63% 0.132 101.8)
-
Step 600
600
#817500
oklch(55.6% 0.117 102.3)
-
Step 700
700
#6D6200
oklch(49.1% 0.103 101.8)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4A4300
oklch(37.8% 0.079 102.7)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#EFDF5F 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) | #F2D951 | 0.015 |
| Deuteranopia (no green cones) | #F7E066 | 0.014 |
| Tritanopia (no blue cones) | #FFD1C4 | 0.135 |
| Achromatopsia (no color) | #DDDDDD | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFDF5F
#EFDF5F
oklch(89.3% 0.148 102.2)
- #D5D8FF
#D5D8FF
oklch(89.2% 0.054 281.8)
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 #EFDF5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Yellow #EEDC5B ΔE 0.008
- Sand Yellow #FCE166 ΔE 0.021
- Pale Gold #FDDE6C ΔE 0.025
- Light Mustard #F7D560 ΔE 0.027
- Yellow Tan #FFE36E ΔE 0.030
- Sandy #F1DA7A ΔE 0.032
- Maize #F4D054 ΔE 0.036
- Sun Yellow #FFDF22 ΔE 0.037
Use #EFDF5F 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.